ATYR
aTYR PHARMA INCCompany with tickers: ATYR
CIK
1339970
CUSIP
002120202
Shares Outstanding
98,051,212
13F Activity (30d)
93 filings
91 filers
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-15 | 21,394,161 | 19,845,053 | +1,549,108 | 4.48 |
| 2026-04-30 | 19,845,053 | 19,884,135 | -39,082 | 25.28 |
| 2026-04-15 | 19,884,135 | 19,617,163 | +266,972 | 21.16 |
| 2026-03-31 | 19,617,163 | 18,967,502 | +649,661 | 19.59 |
| 2026-03-13 | 18,967,502 | 18,802,360 | +165,142 | 16.15 |
| 2026-02-27 | 18,802,360 | 19,877,366 | -1,075,006 | 11.60 |
| 2026-02-13 | 19,877,366 | 20,432,971 | -555,605 | 8.42 |
| 2026-01-30 | 20,432,971 | 21,334,051 | -901,080 | 7.72 |
| 2026-01-15 | 21,334,051 | 25,013,857 | -3,679,806 | 14.17 |
| 2025-12-31 | 25,013,857 | 30,385,566 | -5,371,709 | 11.13 |
| 2025-12-15 | 30,385,566 | 29,801,092 | +584,474 | 15.47 |
| 2025-11-28 | 29,801,092 | 29,864,642 | -63,550 | 9.24 |
| 2025-11-14 | 29,864,642 | 31,060,738 | -1,196,096 | 7.62 |
| 2025-10-31 | 31,060,738 | 36,142,593 | -5,081,855 | 6.08 |
| 2025-10-15 | 36,142,593 | 37,932,369 | -1,789,776 | 3.39 |
| 2025-09-30 | 37,932,369 | 33,089,093 | +4,843,276 | 1.80 |
| 2025-09-15 | 33,089,093 | 29,405,110 | +3,683,983 | 1.58 |
| 2025-08-29 | 29,405,110 | 28,245,132 | +1,159,978 | 8.04 |
| 2025-08-15 | 28,245,132 | 25,598,382 | +2,646,750 | 7.17 |
| 2025-07-31 | 25,598,382 | 20,381,870 | +5,216,512 | 3.42 |
| 2025-07-15 | 20,381,870 | 18,464,705 | +1,917,165 | 5.82 |
| 2025-06-30 | 18,464,705 | 13,644,953 | +4,819,752 | 4.40 |
| 2025-06-13 | 13,644,953 | 13,770,149 | -125,196 | 4.65 |
| 2025-05-30 | 13,770,149 | 12,681,301 | +1,088,848 | 8.24 |